feat: Remote-Execute für Linux/Bash – OS-basierte Tool-Descriptions und remote.sh Script

Remote-Verbindungen erkennen jetzt das OS des Clients und passen die Tool-Description
dynamisch an (PowerShell für Windows, Bash für Linux). Neues remote.sh Script für
Linux/macOS-Clients mit embedded Python WebSocket-Client.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Endpoints/RemoteEndpoint.cs

@@ -29,9 +29,9 @@ public static class RemoteEndpoint
         app.MapPost("/api/remote/assign", AssignConnection);
         app.MapPost("/api/remote/unassign", UnassignConnection);
 
-        // PowerShell-Script ausliefern
-        app.MapGet("/remote.ps1", (Delegate)ServeScript);
-        app.MapGet("/remote", (Delegate)ServeScript);
+        // Scripts ausliefern
+        app.MapGet("/remote.ps1", (Delegate)((HttpContext ctx) => ServeScript(ctx, "remote.ps1")));
+        app.MapGet("/remote.sh", (Delegate)((HttpContext ctx) => ServeScript(ctx, "remote.sh")));
     }
 
     private static async Task HandleWebSocket(HttpContext ctx, RemoteConnectionManager mgr)
@@ -239,9 +239,9 @@ public static class RemoteEndpoint
         return Results.Ok(new { ok = true });
     }
 
-    private static async Task<IResult> ServeScript(HttpContext ctx)
+    private static async Task<IResult> ServeScript(HttpContext ctx, string filename)
     {
-        var scriptPath = Path.Combine(AppPaths.WwwRoot, "remote.ps1");
+        var scriptPath = Path.Combine(AppPaths.WwwRoot, filename);
         if (!File.Exists(scriptPath))
             return Results.NotFound("Script nicht gefunden");